Philosophy

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København, Nordiske forfatteres forlag, 1911.

HEYMANS, G.

Leiden, E. J. Brill, 1890.

JOLY, HENRI.

Paris, F. Alcan, 1901.

HOLBERG, LUDVIG.

Kiøbenhavn, Berlingske Arvingers Bogtrykkerie, 1756.

McMULLIN, ERNAN (EDT.).

N.Y., Basic Books, (1967).

WITT-HANSEN, JOHANNES.

Copenhagen, C. E. C. Gad, 1958.

WETTER, GUSTAV A.

New York, F. A. Praeger, (1958).

SCHULTZER, BENT.

Copenhagen, Levin & Munksgaard, 1935.

SIEBECK, HERMAN.

Stuttgart, Fr. Frommann (E. Hauff), 1905.

KUTSCHERA, FRANS von.

Berlin & New York, W. de Gruyter, 1976.

ISRAELI, ISAAC.

Oxford, University Press, 1958.

WEINBERG, JULIUS RUDOLPH.

London, Kegan Paul, Trubner, 1936.

POWELL, BADEN.

London, Longman, Green.., (1934).

SCHELLING, F. W. J.

Hamburg, Friedrich Perthes, 1798.

NOZICK, ROBERT.

Cambridge, Massachusetts, 1981.

RATZENHOFER, GUSTAV.

Leipzig, Brockhaus, 1899.

CARNAP, RUDOLF.

Chicago, (1947).

SCHLICK, MORITZ.

Berlin, Springer, 1918.